Dive into Web3 Contracts with Hardhat and Node.js Vol.2

1. Why did I choose these instruments? It's easy; to prevent copy-paste, you can read it in . this article 2. I still don’t understand what these smart contracts of yours are. Let's imagine a vending machine, and we try to compare smart contract behavior with it: : You put in a dollar, select a soda, and the machine gives you that soda. Why? Because it has a pre-set "contract" or program that says to do so when you choose to put in the correct amount of money.

address public admin; string public name; uint public endTime; uint public totalWinners; uint256 public ticketPrice; uint counter; mapping public balance; mapping public ownedTickets; mapping public tickets; uint ticketKeys; uint public winners; bytes32 seed; Status public status=Status.OPEN; ... constructor { admin=msg.sender; name=_name; endTime=_endTime; totalWinners=_totalWinners; ticketPrice=_ticketPrice; } ... } We little bit enrich our constructor.

Coin Coin Latest News, Coin Coin Headlines

Similar News:You can also read news stories similar to this one that we have collected from other news sources.

Measuring the feasibility of Web3 payments for businessesIn recent years, the advent of blockchain technology has given rise to a new era of digital transactions and financial innovation. And, one of the pro
Source: FXStreetNews - 🏆 14. / 72 Read more »